#274C7F
Closest named color: Light Navy (#155084). oklch(41.6% 0.096 256.9), rgb(39, 76, 127).
Aa
White text reads best on this color (8.65:1).
About this color
#274C7F is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.096 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.017 away. White text reads best on it, at 8.65:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #274C7F |
| RGB | rgb(39, 76, 127) |
| HSL | hsl(215, 53%, 33%) |
| OKLCH | oklch(41.6% 0.096 256.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #274C7F | 8.65:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #274C7F | 2.42:1 | Fails | Lc 14.5 | Not readable |
| #274C7F text on white | 8.65:1 | AAA | Lc 89.5 | Fine for body text |
| #274C7F text on black | 2.42:1 | Fails | Lc -12.8 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CCDAEE
oklch(88.4% 0.031 257.2)
-
Step 300
300
#AAC3E5
oklch(81% 0.055 256.1)
-
Step 400
400
#7CA3D8
oklch(70.7% 0.089 256.2)
-
Step 500
500
#5B8BCE
oklch(63.2% 0.114 256.9)
-
Step 600
600
#4074BB
oklch(55.7% 0.124 256.7)
-
Step 700
700
#3261A1
oklch(49.2% 0.115 256.7)
-
Step 800
800 (this color)
#274C7F
oklch(41.6% 0.096 256.9)
-
Step 900
900
#264269
oklch(37.7% 0.075 256.9)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#274C7F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #355081 | 0.021 |
| Deuteranopia (no green cones) | #28487E | 0.012 |
| Tritanopia (no blue cones) | #00585F | 0.077 |
| Achromatopsia (no color) | #4C4C4C | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274C7F
#274C7F
oklch(41.6% 0.096 256.9)
- #664400
#664400
oklch(41.5% 0.087 76.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #274C7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.017
- Deep Sea Blue #015482 ΔE 0.028
- Dusk Blue #26538D ΔE 0.028
- Cobalt #1E488F ΔE 0.032
- Twilight Blue #0A437A ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.058
- Twilight #4E518B ΔE 0.058
Use #274C7F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.